> <i>Infinite series can't really be calculated to completion using a computer,</i><p>The sum of an infinite <i>divergent</i> series cannot be calculated with or without a computer.<p>The sum of an infinite <i>convergent</i> series can be calculated with:<p><pre><code> 1/(a-r)
</code></pre>
Sequence > Limits and convergence:
<a href="https://en.wikipedia.org/wiki/Sequence#Limits_and_convergence" rel="nofollow">https://en.wikipedia.org/wiki/Sequence#Limits_and_convergenc...</a><p>Limit of a sequence:
<a href="https://en.wikipedia.org/wiki/Limit_of_a_sequence" rel="nofollow">https://en.wikipedia.org/wiki/Limit_of_a_sequence</a><p>SymPy docs > Limits of Sequences: <a href="https://docs.sympy.org/latest/modules/series/limitseq.html" rel="nofollow">https://docs.sympy.org/latest/modules/series/limitseq.html</a><p>> <i>Provides methods to compute limit of terms having sequences at infinity.</i><p>Madhava-Leibniz formula for π: <a href="https://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80" rel="nofollow">https://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80</a>